SYSTEM AND METHOD FOR SYNCHRONIZING CLOCK SOURCES DRIVING PIEZOELECTRIC CRYSTALS OF INK JET PRINTHEADS - Patent 1011981

(19)

(11)

EP 1 011 981 A1

(12)

(43)	Date of publication:
	28.06.2000 Bulletin 2000/26

(21)	Application number: 97947451.7

(22)	Date of filing: 12.11.1997

(51)	International Patent Classification (IPC)⁷: B41J 29/38, G06F 15/00

(86)	International application number:
	PCT/US9720/552

(87)	International publication number:
	WO 9821/044 (22.05.1998 Gazette 1998/20)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30)

Priority:

12.11.1996 US 745699

(71)	Applicant: Varis Corporation
	Mason, OH 45040 (US)

(72)	Inventors:
	GAUTHIER, Forrest, P. Maineville, OH 45039 (US) JOVIC, Dimitrije, L. Cincinnati, OH 45242 (US)

(74)	Representative: Howden, Christopher Andrew et al
	FORRESTER & BOEHMERTFranz-Joseph-Strasse 38 80801 München 80801 München (DE)

(54)	SYSTEM AND METHOD FOR SYNCHRONIZING CLOCK SOURCES DRIVING PIEZOELECTRIC CRYSTALS OF INK JET PRINTHEADS